Which of these pairs would form an ionic bond?

A. K and Br

B. C and H

C. H and O

D. Cu and Cu

Which of these would be most easily separated using a centrifuge? A. a solution of sugar in water B. a suspension of dirt particles in water C. a metal consisting of copper and zinc D. a compound made of hydrogen and carbon

Give the structure of the alkene from which isopropyl alcohol is made by reaction with water in an acidic solution

Which of the following series of elemental symbols lists a nonmetal, a metal, and a metalloid? (a) Ca, Cu, Si (b) K, Mg, B (c) Br, Ba, Ge (d) O, Na, S (e) Ag Cr, As

Tell me the three uses of x-rays?

What is the force that occurs when two objects rub together

A main function of a plant's seed is to

What are two metals found in the outer core

How do the solvent and solute differ in a solution

Balance and evaluate the following equation: AgNO3 (aq) + PbBr2 (s) yields AgBr (s) + Pb (NO3) 2 (aq)

Which substance contains bonds that involved the transfer of electrons from one atom to another? (1) CO2 (3) KBr (2) NH3 (4) Cl2